Sony STR-LSA1 Service Manual ▷ View online
STR-LSA1
29
29
4-11.
PRINTED WIRING BOARD DISPLAY SECTION
• See page 17 for Circuit Boards Location.
Ref. No.
Location
D811
B-3
D841
A-3
D843
B-12
D844
B-10
D845
B-11
D846
B-2
D847
B-13
IC861
B-7
IC881
B-13
Q841
A-4
Q843
A-11
Q844
A-9
Q845
A-11
Q846
B-2
Q847
B-12
• Semiconductor
Location
(Page 20)
(Page 24)
There are a few cases that the part printed on
this diagram isn’t mounted in this model.
this diagram isn’t mounted in this model.
STR-LSA1
30
30
4-12.
SCHEMATIC DIAGRAM MAIN/POWER SECTION
STR-LSA1
31
31
4-13.
PRINTED WIRING BOARD MAIN/POWER SECTION
Ref. No.
Location
D501
D-4
D502
E-5
D509
A-2
D511
C-1
D512
A-2
D601
D-6
D602
D-6
D700
A-5
D701
D-2
D702
A-8
D703
A-8
D704
A-8
D705
B-8
D725
B-2
D726
A-4
D727
A-5
D728
A-5
D729
A-6
D730
A-6
D750
B-5
D751
C-7
IC501
D-5
IC700
D-1
IC751
D-7
IC752
C-9
IC753
D-9
IC754
D-8
IC755
A-9
IC756
B-9
Q502
E-3
Q503
E-3
Q504
E-4
Q505
D-4
Q602
E-6
Q603
E-5
Q604
E-7
Q605
D-6
Q700
C-1
Q701
C-2
Q702
C-2
Q703
A-4
Q706
D-8
Q707
D-8
• Semiconductor
Location
• See page 17 for Circuit Boards Location.
E
E
E
Q603
Q602
Q604
E
E
E
Q504
Q502
Q503
(Page 24)
(Page 24)
(Page 24)
There are a few cases that the part printed on
this diagram isn’t mounted in this model.
this diagram isn’t mounted in this model.
32
32
4-14.
IC PIN FUNCTION
Pin No.
1 to 7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47, 48
49
50
51
52
53
54
55 to 61
62
63
64
I/O
O
I
I
I
I
I
O
—
I
—
I
I
I
I
I
I
O
O
O
O
O
O
I/O
I/O
O
O
O
O
O
O
O
O
I
O
I
O
O
O
O
O
I
O
I
I
I
I
I
O
—
O
—
Description
Data output
Data bus width select input “L”=8bit, “H”=16bit
Processor mode select input
Serial data input from DIR
Lock error signal input from DIR
System reset input from Reset generator
System clock output (10MHz)
Ground
System clock input (10MHz)
+3.3V
Non-maskable interrupt input (Not used)
RDS clock input from RDS
Not used
RDS data input from RDS
Ready input from DSP
Serial data input from DSP
Output enable output for HC573/574
Latch signal output 5 for HC573
Latch signal output 4 for HC573
Latch signal output 3 for HC573
Latch signal output 2 for HC573
Latch signal output 1 for HC574
IIC clock input/output for EEPROM
IIC data input/output for EEPROM
Bias on/off switch output “L”=on, “H”=off
1394 reset output for AUDIO-LINK
Mute signal output for tuner
Mute signal output for line out
Serial data output for FL display
Chip select output for FL display
Serial clock output for FL display
Power-on signal output for relay and HC367 “L”=off, “H”=on
Ready input from AUDIO-LINK
Address latch enable output for AUDIO-LINK (Not used)
Hold signal input (pull up)
HLDA signal output (Not used)
BCLK signal output (Not used)
Read output for AUDIO-LINK
WRH signal output (Not used)
Write output for AUDIO-LINK
Volume control input from rotary encoder
Chip select output for AUDIO-LINK
Remote control signal input
Protect detect input
Tuning detect input from tuner unit
Stereo detect input from tuner unit
Serial data input from tuner unit
Not used
+3.3V
Not used
Ground
Pin Name
DOP6 to DOP0
BYTE
CNVSS
DIR-IN
ERR
RESET
XOUT
VSS
XIN
VCC 3.3V
NMI
RDS CLK-IN
NOT USED
RDS DATA-IN
HRDY (DSP)
SOD (DSP)
OE
LATCH5 (LV573)
LATCH4 (LV573)
LATCH3 (LV573)
LATCH2 (LV573)
LATCH1 (LV574)
IIC CLOCK
IIC DATA
BIAS ON
1394RSET
TUNER MUTE
LINE MUTE
FL DATA
FL C-SEL
FL CLOK
POWER RY
RDY
ALE
HOLD (PULL UP)
HLDA
BCLK
RD
WRH
WR
VOL-B, VOL-A
CS1
SIRCS IN
PROTCT IN
TUNED
ST STEREO IN
ST DATA IN
NC (OPEN)
VCC 3.3V
NC (OPEN)
GND
IC114 SYSTEM CONTROL (M30624MG-300FP)(DIGITAL board)
Pin No.
65 to 72
73 to 88
89
90
91
92, 93
94, 95
96
97
98
99
100
I/O
O
I/O
I
I
I
I
I
—
I
I
—
O
Description
Address output for AUDIO-LINK
Data input/output for AUDIO-LINK
Not used
Tuning level input from tuner unit
Version input
Key input (A/D)
Jog control input from rotary encoder
Analog VSS (Ground)
Power-key input
A/D reference Voltage input (+3.3V)
Analog VCC (+3.3V)
Data output
Pin Name
A7 to A0
D15 to D0
NOT USED (GND)
SIGNAL-LEVEL
VERSION IN
A/D KEY2, A/D KEY1
ENCODER B, ENCODER A
AVSS
POWER KEY
A/D VREF
AVCC 3.3V
DOP7
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